frack113
35 lines
1.2 KiB
YAML
35 lines
1.2 KiB
YAML
title: New TaskCache Entry
|
|
id: 4720b7df-40c3-48fd-bbdf-fd4b3c464f0d
|
|
description: Monitor the creation of a new key under 'TaskCache' when a new scheduled task is registered
|
|
status: experimental
|
|
tags:
|
|
- attack.persistence
|
|
- attack.t1053
|
|
- attack.t1053.005
|
|
date: 2021/06/18
|
|
modified: 2022/01/05
|
|
references:
|
|
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
|
|
author: Syed Hasan (@syedhasan009)
|
|
logsource:
|
|
category: registry_event
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
EventType: SetValue
|
|
TargetObject|contains: 'SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\'
|
|
filter:
|
|
TargetObject|contains:
|
|
- 'Microsoft\Windows\UpdateOrchestrator'
|
|
- 'Microsoft\Windows\SoftwareProtectionPlatform\SvcRestartTask\Index'
|
|
- 'Microsoft\Windows\Flighting\OneSettings\RefreshCache\Index'
|
|
filter_svchost:
|
|
Image: 'C:\WINDOWS\system32\svchost.exe'
|
|
TargetObject|contains:
|
|
- 'Microsoft\Windows\WindowsUpdate\Scheduled Start\Index'
|
|
- 'Microsoft\Windows\PushToInstall\Registration\Index'
|
|
- 'Microsoft\Windows\GroupPolicy\{*}\Index'
|
|
condition: selection and not 1 of filter*
|
|
falsepositives:
|
|
- Unknown
|
|
level: medium |